Nucomm CHANNELMASTER TX7 Manuale utente

CHANNELMASTER TX7

Portable Microwave Transmitter

User Manual

NUCOMM PUBLICATION: M01-0029-00A, REV 1.03

Revision 1.03

ii ChannelMaster TX7 Transmitter

CAUTION!

RISK OF ELECTRICAL SHOCK. DO NOT REMOVE EQUIPMENT COVERS.

•Do not remove any equipment covers.

•Refer servicing to qualified technicians only.

•Disconnect all power before servicing.

•Read and perform all instructions carefully. Failure to follow suggested instruc-

tions and guidelines may void all warranties.

FCC STATEMENT

This equipment has been tested and found to comply with

Part 74.637 (a) (2) of the FCC Rules and Regulations.

Any unauthorized changes or modifications not expressly approved by

Nucomm, Inc. could void the user’s authority to operate the equipment, and

invalidate the equipment’s warranty.

Revision 1.03

iii

Proprietary Information and Disclaimer Notice

All information and graphic images contained within this manual are the sole property of Nu-

comm, Inc. and are issued in the strictest of confidence. This material may not be reproduced,

stored, copied, or converted in any form, nor shall it be disclosed to others or used for manufac-

turing or any other purpose without the written permission of an authorized Nucomm represen-

tative.

Nucomm, Inc. has made every effort to ensure the accuracy of this material at the time of printing.

However, as the specifications, equipment, and this manual are subject to change without notice,

Nucomm, Inc. assumes no responsibility or liability whatsoever for any errors or inaccuracies that

may appear in this manual, or for any decisions based on its use. This manual is supplied for

informational purposes only and should not be construed as a commitment by Nucomm, Inc.

Warranty

Equipment manufactured by Nucomm, Inc. is warranted to meet all published specifications and

to be free from defects in material and workmanship within a period of two years from date of

shipment from Nucomm. The company’s liability under this warranty is limited to:

•Servicing or adjusting equipment.

•Replacement of defective parts.

Any equipment returned to the factory shall have the freight paid for by the buyer.

Equipment showing damage by misuse, abnormal conditions of operation, or attempts to repair

by other than authorized service personnel shall be excluded from this warranty. Nucomm, Inc.

shall in no event be responsible for incidental injury or property damage. Since Nucomm, Inc.

has no control over conditions of use, no warranty is made or implied as to suitability for the

customer’s intended use, beyond such performance specifications as are made part of the pur-

chase order. There are no warranties expressed or implied, except as stated herein. This limi-

tation on warranties shall not be modified by verbal representations.

Shipping Damage

Equipment shipped FOB Nucomm, Inc.; shall become the property of buyer upon delivery and

receipt from carrier. Any damage in shipment should be handled by the buyer directly with the

carrier. Immediately request the carrier’s inspection upon evidence of damage in shipment.

Field Service

Nucomm products are designed with easy access to components to facilitate service. However,

some Nucomm modules cannot be service in the field. To prevent voiding of the Nucomm

warranty, please contact Nucomm before servicing or making any repairs. The user is cautioned

to read all module descriptions in this manual. Warnings are included in the circuit descriptions

and on certain modules themselves.

Replacement Modules

Troubleshooting to the component level is often not cost-effective and frequently impossible.

Often the practical method of effecting repairs is to substitute known good spare modules for

suspect units. Replacement modules for Nucomm’s standard product line are usually available.

Revision 1.03

iv ChannelMaster TX7 Transmitter

Technical Support Information

Technical Support personnel are available to extend technical assistance to customers while

installing, operating, or troubleshooting Nucomm equipment. Please have your model number and

serial number available.

Telephone

During Nucomm business hours, 8:30am - 5:30pm EST (-5 Hours, GMT), call:

US ......................................................908-852-3700

International........................................001-1-908-852-3700

After hours, call:

US or International..............................888-531-3892

Email Email address.................................................service@nucomm.com

Internet

Web address..................................................www.nucomm.com

Equipment Returns

If equipment cannot be successfully restored through telephone consultation, return to the factory

may be required. Loaner items may be available until the repaired items are returned.

For out-of-warranty equipment only: Nucomm evaluates all returned units, and then confers with

the client on corrective action. If no fault is found, or no corrective action is authorized, a

diagnostic fee may be charged.

Prior to returning a Nucomm product to the factory, please obtain a return material authorization

(RMA) number and shipping instructions from Nucomm.

When returning equipment to Nucomm, it is very helpful to enclose a note containing the

following:

•RMA number.

•Serial number.

•A detailed description of the problem.

•Name of an engineer or technician we may contact regarding problems encountered.

•A “ship to” and “bill to” address.

Ship all returns to:

Nucomm, Inc

Attn: RMA# (your RMA number)

101 Bilby Rd

Hackettstown, NJ 07840, USA

(908) 852-3700

For International returns:

In addition to the instructions above, when shipping internationally Nucomm recommends the use

of a courier such as Federal Express, UPS, etc, and that the goods be shipped DOOR-TO-DOOR

PRE-PAID. This will reduce Customs costs, handling charges and delays. Enclose all the

information above, plus a statement that the equipment was manufactured in the United States

(the latter is needed to expedite customs processing).

Revision 1.03

TABLE OF CONTENTS

PRODUCT DESCRIPTION...................................................................................................................1-1

1.1

Introduction.........................................................................................................................................1-1

1.2

Model Numbering Scheme................................................................................................................1-2

FEATURES............................................................................................................................................2-1

2.1

Feature Overview...............................................................................................................................2-1

2.2

System Functional Block Diagram ....................................................................................................2-3

2.3

System Chassis Features..................................................................................................................2-4

2.4

User Interface Overview ....................................................................................................................2-4

2.5

Standby Mode....................................................................................................................................2-4

2.6

Video Signal Encoding.......................................................................................................................2-4

2.7

Audio Sub Carriers.............................................................................................................................2-4

2.8

Multi-Mode Modulator........................................................................................................................2-4

2.9

Multi-band Microwave Output............................................................................................................2-5

2.10

Signal Strength Indicators..................................................................................................................2-5

2.11

Video Presence Detector...................................................................................................................2-5

2.12

Remote Control Feature....................................................................................................................2-5

2.13

Power Supply.....................................................................................................................................2-5

2.14

Internal Self-Test................................................................................................................................2-5

2.15

Other Standard Features...................................................................................................................2-5

2.16

Options ...............................................................................................................................................2-6

2.17

Accessories........................................................................................................................................2-6

2.18

Flexibility.............................................................................................................................................2-6

SPECIFICATIONS AND FREQUENCY PLANS..................................................................................3-1

3.1

Frequency Plans (USA).....................................................................................................................3-6

INSTALLATION .....................................................................................................................................4-1

4.1

Unpacking and Inspection .................................................................................................................4-1

4.2

Pre-Installation Checkout...................................................................................................................4-1

4.3

Mechanical Installation.......................................................................................................................4-1

4.4

Electrical Installation ..........................................................................................................................4-3

4.5

Power Connection..............................................................................................................................4-3

4.6

ASI, SDI, Composite & 70MHz Ports................................................................................................4-3

4.7

RF OUTPUT.......................................................................................................................................4-4

4.8

Serial Port...........................................................................................................................................4-4

4.9

POWER SWITCH and FUSES..........................................................................................................4-4

4.10

Models with Multi-Pin “MS” Style Audio Connectors.......................................................................4-4

4.11

Models With XLR Audio Connectors.................................................................................................4-4

4.12

Firewire...............................................................................................................................................4-4

OPERATION..........................................................................................................................................5-1

5.1

Power Up Displays.............................................................................................................................5-1

5.1.1

Changing Characters .................................................................................................................5-2

5.2

Front Panel Buttons ...........................................................................................................................5-2

5.2.1

Changing Operating Frequency.................................................................................................5-3

5.3

Using Presets.....................................................................................................................................5-3

5.4

Status Indicators & Test Gen.............................................................................................................5-6

5.5

Main Menu Selections........................................................................................................................5-7

5.6

Input Menu Selections .......................................................................................................................5-7

5.7

Modulation Menu Selections..............................................................................................................5-8

5.7.1

FM...............................................................................................................................................5-8

5.7.2

COFDM.......................................................................................................................................5-9

5.7.3

VSB...........................................................................................................................................5-12

5.8

Encoder Menu Selections................................................................................................................5-12

Revision 1.03

vi ChannelMaster TX7 Transmitter

5.8.1

AUDIO.......................................................................................................................................5-12

5.8.2

VIDEO.......................................................................................................................................5-13

5.8.3

SERVICE..................................................................................................................................5-13

5.9

System Menu Selections.................................................................................................................5-13

5.9.1

OPTIONS..................................................................................................................................5-14

5.9.2

REMOTE...................................................................................................................................5-14

5.9.3

VERSION..................................................................................................................................5-14

5.9.4

RESTORE ................................................................................................................................5-15

5.9.5

FREQUENCY...........................................................................................................................5-15

5.9.6

FACTORY.................................................................................................................................5-15

5.9.7

BAS...........................................................................................................................................5-15

5.10

Monitoring Menu Selections ............................................................................................................5-15

5.10.1

MONITOR.................................................................................................................................5-15

5.10.2

ALARM......................................................................................................................................5-16

5.11

BAS Relocation Settings..................................................................................................................5-17

5.11.1

Audio Sub-Carrier Frequency..................................................................................................5-17

5.11.2

Channel Bandwidth and Band Plan.........................................................................................5-18

5.11.3

Switchover to “Post-relocation” Settings..................................................................................5-18

LIST OF TABLES

Table 2-1: ChannelMaster TX7 Technical Features and Benefits ..................................................................2-2

Table 3-1: ChannelMaster TX7 Specifications.................................................................................................3-1

Table 3-2: Frequency Plan (US), 2GHz 17MHz...............................................................................................3-6

Table 3-3: Frequency Plan (US), 2GHz 12MHz...............................................................................................3-7

Table 3-4: Frequency Plan (US), 6/7GHz........................................................................................................3-8

Table 3-5: Frequency Plan (US), 12/13 GHz..................................................................................................3-9

Table 5-1: ChannelMaster 8 MHz B/W Data Rates.......................................................................................5-10

Table 5-2: ChannelMaster 7 MHz B/W Data Rates.......................................................................................5-11

Table 5-3: ChannelMaster 6 MHz B/W Data Rates.......................................................................................5-11

Table 5-4: VSB Data Rates for BW=6 MHz...................................................................................................5-12

LIST OF FIGURES

Figure 2-1: ChannelMaster TX7 Functional Block Diagram............................................................................2-3

Figure 4-1: Pre-Installation Checkout Equipment Configuration.....................................................................4-1

Figure 4-2: CMTX7 Mounting Hole Locations and Screw Sizes.....................................................................4-2

Figure 4-3: CMTX7 Unit with Shroud ...............................................................................................................4-3

Figure 4-4: CMTX7 Unit with Shroud (Shows Built-in Cooling Fans)..............................................................4-3

Figure 4-5: ChannelMaster TX7 Front Panel (Mil Connector Version)...........................................................4-5

Figure 4-6: ChannelMaster TX7 Front Panel (XLR Version)...........................................................................4-6

Figure 4-7: ChannelMaster TX7 Rear Panel (All Models)...............................................................................4-7

Figure 4-8: Power and RS-232 Connector Pin-Outs and Part Information.....................................................4-8

Figure 4-9: AC Line Cord Construction............................................................................................................4-8

Figure 4-10: RS232/RS485 Connector Pin-Outs.............................................................................................4-9

Figure 4-11: Firewire Input Connector (Optional) ............................................................................................4-9

Figure 4-12: Audio Cable Connections ..........................................................................................................4-10

Figure 4-13: XLR Breakout Cable ..................................................................................................................4-11

Figure 4-14: 3-PIN XLR Input Pin Assignments (2 Audio Inputs) .................................................................4-12

Figure 5-1: ChannelMaster TX7 Front Panel Controls and Indicators............................................................5-1

Revision 1.03

vii

DOCUMENT REVISION HISTORY

Date Revision Modified by Description

February 19, 2009 1.0 JB Initial version.

February 20, 2009 1.01 MH Edited Table 3-1 and Chapter 3.

March 10, 2009 1.02 JB Minor revisions.

April 1, 2009 1.03 JB Edited menu description, US Frequency Plan band

range info in Ch 3. Added section on “COFDM Guide-

lines.”

Nucomm makes every effort to ensure our documentation is accurate, and as complete as

possible. In the event that you find any errors or omissions in our documentation, please

contact Nucomm Customer Service at (908) 852-3700, or via email at

service@nucomm.com.

Nucomm Publication: M01-0029-00A

Revision 1.03

viii ChannelMaster TX7 Transmitter

Revision 1.03

Description 1-1

1. PRODUCT

DESCRIPTION

1.1 Introduction

Nucomm’s ChannelMaster TX7 is a

Digital-Analog Portable Microwave

Transmitter. The tripod mounted Micro-

wave Transmitter System is designed to

operate in any specified band in the

1.00 GHz to 15.5 GHz frequency range.

Each unit is field programmable and

configurable to meet a wide range of

customer requirements. The TX7 may

be configured for dual band or tri-band

operation.

The ChannelMaster TX7 is designed to

be an extremely flexible system. It is

fully integrated with an MPEG2 compli-

ant super-low delay Encoder, a Multi-

mode Digital Modulator, and an Analog

FM modulator. Outputs include ASI and

microwave RF in the frequency bands

mentioned above.

The CMTX7 design uses advanced

software defined radio techniques and

supports both COFDM and VSB digital

modulation. As additional digital modula-

tion formats become available, the sys-

tem software can easily be updated to

support them.

The ChannelMaster TX7 includes inputs

for Composite Video, HD-SDI and SD-

SDI, ASI, Firewire, and 70 MHz modu-

lated signals.

The system comes standard with two

analog audio channels or one digital

AES channel. Optionally, the system

can support four analog audio channels

or two digital AES channels.

The system features an LCD display for

control and monitoring, an easy to use

menu driven user interface, fifteen user

defined presets, field programmable RF

and Audio Sub-carrier frequencies, ad-

justable RF power, and integrated dy-

namic color bars. A built-in serial inter-

face can be used for remote control and

monitoring. Special menus have been

included to ease the BAS (US) reloca-

tion process.

Available options include a high power

amplifier, multi-band operation, and

standby power sourcing. Contact Nu-

comm for information about additional

options.

This manual covers all configurations

and options for the series within the 1.00

GHz to 15.5 GHz frequency range.

Revision 1.03

1-2 ChannelMaster TX7 Transmitter

1.2 Model Numbering Scheme

Given the model number, a unit's configuration can be determined using the following:

AAAAA – CMTX7 – BB – CCC – YZ

Options

Specified Frequency Plan

Power Output

Model

Generalized Frequency Band Designator

Where:

AAAAA = mean frequency band center in GHz rounded to the closest GHz. This num-

ber is then multiplied by 10. For multiple bands, each center frequency designation is

separated by a backslash "/".

BB = Used to identify the power output, per the following Power Output Designators:

Power Output is represented by Letters for the analog power (as listed in the table be-

low), and Numbers (0-9) for the digital power. For example, a 5W Analog / 2W digital

system would be described with a power indicator of "E2". A Dual-Band system would

have two sets of power indicators, to show the power levels at both bands.

LETTER DESIGNATOR

Analog Power (Watts)

A 1

B 2

C 3

E 5

J 10

L 12

Example: For A Dual Band 2 + 7 GHz radio with these power ratings:

2 GHz: 12 Watt Analog, 5 Watt Digital

7 GHz: 5 Watt Analog, 1.5 Watt Digital

AAAA/AAAA = 20/70, and

BB/BB = L5/E1.5

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